TM 55-1520-240-23-9
11-218
REMOVE AFT LCT ACTUATOR
11-218
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Wood Block, 6 Inch X 6 Inch X 6 Inch Approx.
Materials:
Paper Tags (E264)
Personnel Required:
Medium Helicopter Repairer (2)
References:
TM 1-1520-253-23
Task 1-13
Task 11-40
Equipment Condition:
Hydraulic Power Off
Electrical Power Off
Battery Disconnected (Task 1-39)
Aft Pylon Work Platforms Open (Task 2-2)
Aft Rotor Pitch Links Disconnected (Task 5-97)
Aft LCT Actuator Fully Retracted (TM 55-1520-240-T)
Safety Blocks (T31) Installed (Task 11-28)
NOTE
Positive retention bolts are installed in
upper controls. Bolts have pawl which
prevents nut or bolt removal unless
pawl is depressed (Task 1-13).
Attaching bolts, washers and nuts will
be temporarily installed after removing
actuator and connecting link.
NOTE
If a crack in the connecting link or
yoke is suspected during removal,
refer to TM 1-1520-253-23.
NOTE
If LCT is being removed for
replacement, rigging check of
replacement actuator may be
performed by temporarily placing
replacement LCT on work platform
and completing Task 11-40.
1.
Remove cotter pin (1), nut (2), washer (3),
and bolt (4) attaching connecting link (5) to
swashplate (6).
2.
Support yoke (7) with wooden block (8).
11-860
